/***************************************************************************
  tag: Peter Soetens  Thu Oct 22 11:59:07 CEST 2009  ActivityInterface.cpp

                        ActivityInterface.cpp -  description
                           -------------------
    begin                : Thu October 22 2009
    copyright            : (C) 2009 Peter Soetens
    email                : peter@thesourcworks.com

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU General Public                   *
 *   License as published by the Free Software Foundation;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
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 *   Foundation, Inc., 59 Temple Place,                                    *
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 ***************************************************************************/


#include "ActivityInterface.hpp"
#include "RunnableInterface.hpp"

using namespace RTT;
using namespace RTT::base;

ActivityInterface::ActivityInterface(RunnableInterface* run) : runner(run) {
    if (runner)
        runner->setActivity(this);
    }

ActivityInterface::~ActivityInterface()
{
    if (runner) {
        runner->setActivity(0);
    }
}

bool ActivityInterface::run(RunnableInterface* _r)
{
    if ( this->isActive() )
        return false;
    if (runner) {
        runner->setActivity(0);
    }
    runner = _r;
    if (runner)
        runner->setActivity(this); // pass on our ptr.
    return true;
}

RunnableInterface* ActivityInterface::getRunner() const
{
    return runner;
}
